KCNC bear bones crank?

Theres a few floating around on Ebay. Any opinions? Looking for a WW crank that is affordable so most likely not XTR (and some would debate WW-ness of xtr) FRM and extralite are also out of the question. So was thinking of ISIS set up. Any thoughts?
Thanks

experience

do you have back to back experience between the k-type and the new xtr? this is a question i've been asking myself for some time now and have yet to hear of personal experiences with the k-type external bearing version.

i have the isis version. it's a great value: lightweight and reasonably stiff. the only thing is, they acheived the light weight by using straight crank arms instead of S shaped, so the Q-factor is a little wider than some other cranks.

it's 574g complete in 175mm. 142g of that is the rings, so there is some savings to be had there. (i've got some stronglight ct2's coming that should weigh about 105g for the set).

i have the isis version. it's a great value: lightweight and reasonably stiff. the only thing is, they acheived the light weight by using straight crank arms instead of S shaped, so the Q-factor is a little wider than some other cranks.

it's 574g complete in 175mm. 142g of that is the rings, so there is some savings to be had there. (i've got some stronglight ct2's coming that should weigh about 105g for the set).

stronglights CT2 way more than 105g...

104g for the 44 and 32 alone...usually a 22t aluminium chainring weighs about 19g so your chainrings will be around 125g/set. not much gained here

never believe the manufacturer!

their site has two different kinds of 4 arm rings. one set is listed at about the same as the ones in your pictures, and another set that is supposed to be lighter....

i'm sorry but i guess you will get disappointed.

the chainrings above are the supposed to be lighter CT2s. the picture is from Heinz Wittmann, owner of the lightest bike on light-bikes.com and definitely not shy to spend big bucks for lightweight parts...the 44t is light, the 32 is just plain heavy!